Correlations of baseline choroidal structure with central retinal thickness and visual acuity
| Stromal area to total choroidal area ratio | Stromal area | Total choroidal area | ||
|---|---|---|---|---|
| Simple regression analysis | Partial correlation analysis (adjusted by axial length, age and sex) | Simple regression analysis | Simple regression analysis | |
| Baseline CRT (μm) | r=0.516 p<0.001 | rp=0.488 p=0.002 | r=0.119 p=0.468 | r=−0.015 p=0.925 |
| CRT improvement at 1 month | r=0.554 p<0.001 | rp=0.519 p=0.001 | r=0.170 p=0.297 | r=0.031 p=0.852 |
| CRT improvement at 3 months | r=0.610 p<0.001 | rp=0.582 p<0.001 | r =0.172 p=0.292 | r=0.013 p=0.935 |
| CRT improvement at 6 months | r=0.465 p=0.002 | rp=0.443 p=0.006 | r=0.075 p=0.650 | r=−0.044 p=0.791 |
| Baseline VA (logMAR units) | r=0.433 p=0.005 | rp=0.413 p=0.011 | r=0.003 p=0.987 | r=−0.093 p=0.570 |
| VA improvement at 1 month | r=0.455 p=0.003 | rp=0.417 p=0.010 | r=0.174 p=0.285 | r=0.080 p=0.627 |
| VA improvement at 3 months | r=0.513 p<0.001 | rp=0.484 p=0.002 | r=0.133 p=0.417 | r=0.023 p=0.889 |
| VA improvement at 6 months | r=0.447 p=0.004 | rp=0.425 p=0.009 | r=0.049 p=0.766 | r=−0.054 p=0.741 |
VA or CRT improvement is defined as baseline value minus post-treatment value.
CRT, central retinal thickness; logMAR, logarithm of the minimum angle of resolution; rp, partial correlation coefficient; VA, visual acuity.